Excerpt from General Economic Geology a Textbook This volume is an introduction to the study of mineral deposits. It was prepared for students in colleges and technical schools who already have a knowledge of the elements of general geology and ' mineralogy. It embraces the geology of mineral fuels, structural materials, and other nonmetals and of the metals. The treatment is necessarily brief and might well be followed by specialized courses on coal and petroleum, and a more advanced course on the metals. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.